A Brave New World For Our Brave New Brains with Judith HorstmanMP3 Download Not too long ago neuroscientists believed we were born with an assigned number of brain cells, and as they died they were never replaced we were doomed to get along with ever decreasing cognitive abilities. But as Judith Horstman tells us, more current research tells us that our brains are constantly adapting to our experiences, and new neuronal pathways are being forged every minute. "The brain is very plastic," she says. "It changes in